Toner cartridge waste powder bin upper cover with good sealing performance

By designing a waste toner cartridge cover with a handle, thermal expansion sealing gasket, and positioning components, the problems of poor sealing and unstable installation were solved, achieving rapid installation and stable sealing.

CN223501300UActive Publication Date: 2025-10-31WEIHAI CHENGYU TONER CARTRIDGE CO LTD
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Patent Information

Application Number
CN202423188510.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-10-31
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The existing waste toner cartridge cover has poor sealing performance, is cumbersome and unstable to install and operate, and is not very practical.

Method used

A waste toner cartridge cover was designed, comprising a handle, a thermal expansion sealing gasket, a positioning component, and an observation window. The quick installation design of the positioning component and the sealing mechanism of the thermal expansion sealing gasket ensure stable installation and sealing of the cover.

Benefits of technology

The cover can be quickly installed and removed, ensuring the airtightness of the toner cartridge waste toner compartment, preventing powder from flying out, and improving the stability and practicality of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a selenium drum waste powder bin upper cover with good sealing performance, which belongs to the technical field of selenium drum waste powder bins and comprises a cover body, a handle is fixedly mounted on the top surface of the cover body, an outer mounting groove is formed in the outer side of the cover body, and a thermal expansion sealing gasket is mounted in the outer mounting groove in an embedded manner. A mounting inner hole is formed in the cover body, an observation window is formed in the top surface of the cover body, positioning assemblies are arranged in the mounting inner hole, and the two positioning assemblies are symmetrically arranged relative to the longitudinal center surface of the cover body; according to the selenium drum waste powder bin, the two positioning assemblies convenient to operate are arranged in a matched mode, through the design, the cover body can be rapidly assembled and disassembled, meanwhile, the stability of the cover body after installation can be effectively guaranteed, the situation that the cover body is not prone to falling off can be effectively guaranteed, and after the cover body is installed, the situation in the selenium drum waste powder bin can still be continuously observed through the observation window; the practicability of the whole cover body is improved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of toner cartridge waste toner bins, and particularly relates to a toner cartridge waste toner bin cover with good sealing performance. Background Technology

[0002] Waste toner refers to the toner residue left on the paper during the printing process of a laser printer. This waste toner accumulates in the waste toner compartment of the toner cartridge after being removed by the rotation of the photosensitive drum, the cleaning brush, and the scraper. The top of the waste toner compartment is usually equipped with a cover to ensure the compartment is airtight.

[0003] While current waste toner cartridge covers can provide some sealing, their airtightness cannot be guaranteed. Furthermore, the installation of these covers requires positioning, which is cumbersome and time-consuming, and the stability after installation cannot be guaranteed, resulting in poor practicality. To address these issues, there is an urgent need for a waste toner cartridge cover with superior sealing performance. Utility Model Content

[0004] The purpose of this utility model is to solve the problems that although the current waste powder hopper cover can play a certain role in sealing, its sealing performance cannot be guaranteed. At the same time, the positioning process is required when installing the cover, which is troublesome and time-consuming. Furthermore, the stability after installation cannot be guaranteed, resulting in poor practicality. Therefore, this utility model proposes a waste powder hopper cover with better sealing performance.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a toner cartridge waste powder compartment cover with good sealing performance, comprising a cover body, a handle fixedly installed on the top surface of the cover body, an outer mounting groove provided on the outer side of the cover body, a thermal expansion sealing gasket embedded in the inner part of the outer mounting groove, an inner mounting hole provided inside the cover body, an observation window provided on the top surface of the cover body, a positioning component provided inside the inner mounting hole, two positioning components symmetrically arranged about the longitudinal center plane of the cover body, each positioning component including a mounting shaft, the mounting shaft being horizontally fixedly installed on one inner wall of the inner mounting hole, and a positioning pin being slidably installed on the outer side of the mounting shaft.

[0006] As a further description of the above technical solution:

[0007] The locating pin is slidably connected to the mounting inner hole, and a mounting spring is fitted onto the outside of the mounting shaft.

[0008] As a further description of the above technical solution:

[0009] One end of the spring is fixedly connected to one end of the positioning pin, and a pull cord is provided on the top surface of the positioning pin.

[0010] As a further description of the above technical solution:

[0011] One end of the pull rope is fixedly installed with a pull ring, and a top hole is provided on the top surface of the cover. A hole cover is rotatably installed on the outside of the top hole via a rotating shaft.

[0012] As a further description of the above technical solution:

[0013] One end of the pull rope passes through the cover and extends to the inside of the top hole, and the pull ring is located inside the top hole.

[0014] As a further description of the above technical solution:

[0015] The interior of the thermal expansion sealing gasket is filled with several thermal expansion particles, which are graphite powder particles.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0017] 1. In this utility model, two easy-to-operate positioning components are provided. When installing the cover, hold the handle and move the cover to the installation area above the waste toner cartridge compartment, aligning the two positioning pins with the positioning holes of the waste toner cartridge compartment. Then, the top hole can be opened directly by rotating the cover. Pull the pull ring by hand, and the pull rope will pull the positioning pin to the inside of the cover. At this time, the spring is compressed. After the cover is fully embedded in the installation area, release the pull ring. The positioning pin can be pushed out and locked into the positioning hole of the waste toner cartridge compartment under the action of the spring, completing the quick installation of the cover. When disassembling, simply pull the pull ring. This design allows for quick installation and disassembly of the cover, while effectively ensuring the stability of the cover after installation and preventing it from falling off. After the cover is installed, the condition inside the waste toner cartridge compartment can still be continuously observed through the observation window, improving the overall practicality of the cover.

[0018] 2. In this utility model, a thermal expansion sealing gasket is provided on the periphery of the cover. After the cover is installed, the thermal expansion sealing gasket can effectively ensure the sealing of the entire toner cartridge waste toner compartment, and the powder is not easy to fly out. After a period of use, the temperature inside the toner cartridge waste toner compartment can be increased. The thermal expansion sealing gasket can sense the temperature and thus expand in volume. The expanded thermal expansion sealing gasket can further improve the sealing of the entire toner cartridge waste toner compartment and further improve the use effect of the cover. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of a toner cartridge waste powder compartment cover with good sealing performance proposed in this utility model;

[0020] Figure 2A three-dimensional structural diagram of the central hole cover of the waste toner cartridge cover with good sealing performance after the cover of the present utility model is opened;

[0021] Figure 3 This is an exploded three-dimensional structural diagram of a well-sealed waste toner cartridge cover proposed in this utility model.

[0022] Figure 4 This is a three-dimensional structural diagram of the positioning component in the top cover of the waste toner cartridge with good sealing performance proposed in this utility model.

[0023] Legend:

[0024] 1. Handle; 2. Cover; 3. Positioning assembly; 31. Pull cord; 32. Pull ring; 33. Mounting shaft; 34. Spring sleeve; 35. Positioning pin; 4. Thermal expansion sealing gasket; 5. Mounting outer groove; 6. Top hole; 7. Hole cover; 8. Mounting inner hole; 9. Observation window. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-4 This utility model provides a technical solution: a well-sealed waste toner cartridge cover, comprising a cover body 2, a handle 1 fixedly installed on the top surface of the cover body 2, an outer mounting groove 5 provided on the outer side of the cover body 2, a thermal expansion sealing gasket 4 embedded in the inner part of the outer mounting groove 5, an inner mounting hole 8 provided inside the cover body 2, an observation window 9 provided on the top surface of the cover body 2, a positioning component 3 provided inside the inner mounting hole 8, two positioning components 3 symmetrically arranged about the longitudinal center plane of the cover body 2, each positioning component 3 including a mounting shaft 33, the mounting shaft 33 being horizontally fixedly installed on one side inner wall of the inner mounting hole 8, and a positioning pin 35 being slidably installed on the outer side of the mounting shaft 33.

[0027] The positioning pin 35 is slidably connected to the mounting inner hole 8. A sleeve spring 34 is fitted on the outside of the mounting shaft 33. One end of the sleeve spring 34 is fixedly connected to one end of the positioning pin 35. A pull rope 31 is provided on the top surface of the positioning pin 35. A pull ring 32 is fixedly installed on one end of the pull rope 31. A top hole 6 is provided on the top surface of the cover 2. A hole cover 7 is rotatably installed on the outside of the top hole 6 through a rotating shaft. One end of the pull rope 31 passes through the cover 2 and extends to the inside of the top hole 6. The pull ring 32 is located inside the top hole 6.

[0028] The specific implementation method is as follows: When installing the cover 2, hold the handle 1 and move the cover 2 to the installation area above the waste toner cartridge, so that the two positioning pins 35 are aligned with the positioning holes of the waste toner cartridge. At this time, the rotating hole cover 7 can directly open the top hole 6. Then, pull the pull ring 32 by hand. The pull rope 31 will pull the positioning pin 35 to the side, pulling the positioning pin 35 into the inside of the cover 2. At this time, the sleeve spring 34 is compressed. After the cover 2 is fully embedded in the installation area, release the pull ring 32 directly. The positioning pin 35 can be pushed out and locked into the positioning hole of the waste toner cartridge under the action of the sleeve spring 34, completing the quick installation of the cover 2. When disassembling, you only need to pull the pull ring 32.

[0029] The interior of the thermal expansion sealing gasket 4 is filled with several thermal expansion particles, which are graphite powder particles.

[0030] The specific implementation method is as follows: After the cover is installed, the thermal expansion sealing gasket 4 can effectively ensure the sealing of the entire toner cartridge waste toner compartment, and the powder is not easy to fly out. After a period of use, the temperature inside the toner cartridge waste toner compartment can be increased. The thermal expansion sealing gasket 4 can sense the temperature and thus expand in volume. The expanded thermal expansion sealing gasket 4 can further improve the sealing of the entire toner cartridge waste toner compartment.

[0031] Working principle: When installing the cover 2, hold the handle 1 and move the cover 2 to the installation area above the waste toner cartridge compartment, aligning the two positioning pins 35 with the positioning holes of the waste toner cartridge compartment. At this time, the rotating cover 7 can directly open the top hole 6. Then, pull the pull ring 32 by hand, and the pull rope 31 will pull the positioning pins 35 to the side, pulling the positioning pins 35 into the inside of the cover 2. At this time, the sleeve spring 34 is compressed. After the cover 2 is fully embedded in the installation area, release the pull ring 32 directly. The positioning pins 35 can be pushed out again and locked into the waste toner cartridge compartment by the action of the sleeve spring 34. The cover 2 is quickly installed in the positioning hole of the toner cartridge. When removing it, simply pull the pull ring 32. After the cover 2 is installed, the condition inside the waste toner cartridge can still be continuously observed through the observation window 9. After the cover 2 is installed, the thermal expansion sealing gasket 4 can effectively ensure the overall sealing of the waste toner cartridge, and the powder is not easy to fly out. After a period of use, the temperature inside the waste toner cartridge can be increased. The thermal expansion sealing gasket 4 can sense the temperature and thus expand in volume. The expanded thermal expansion sealing gasket 4 can further improve the overall sealing of the waste toner cartridge.

[0032] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A well-sealed cover for a waste toner cartridge, comprising a cover body (2), characterized in that: A handle (1) is fixedly installed on the top surface of the cover (2). An outer mounting groove (5) is provided on the outer side of the cover (2). A thermal expansion sealing gasket (4) is embedded in the inner side of the outer mounting groove (5). An inner mounting hole (8) is provided inside the cover (2). An observation window (9) is provided on the top surface of the cover (2). A positioning component (3) is provided inside the inner mounting hole (8). Two positioning components (3) are symmetrically arranged about the longitudinal center plane of the cover (2). The positioning component (3) includes a mounting shaft (33). The mounting shaft (33) is horizontally fixedly installed on one side inner wall of the inner mounting hole (8). A positioning pin (35) is slidably installed on the outside of the mounting shaft (33).

2. The toner cartridge waste powder compartment cover with good sealing performance according to claim 1, characterized in that, The positioning pin (35) is slidably connected to the mounting inner hole (8), and the mounting shaft (33) is fitted with a mounting spring (34).

3. The toner cartridge waste powder hopper cover with good sealing performance according to claim 2, characterized in that, One end of the spring (34) is fixedly connected to one end of the positioning pin (35), and a pull rope (31) is provided on the top surface of the positioning pin (35).

4. The toner cartridge waste powder hopper cover with good sealing performance according to claim 3, characterized in that, One end of the pull rope (31) is fixedly installed with a pull ring (32), and a top hole (6) is provided on the top surface of the cover (2). A hole cover (7) is rotatably installed on the outside of the top hole (6) through a rotating shaft.

5. The toner cartridge waste powder hopper cover with good sealing performance according to claim 4, characterized in that, One end of the pull rope (31) passes through the cover (2) and extends to the inside of the top hole (6), and the pull ring (32) is located inside the top hole (6).

6. The toner cartridge waste powder compartment cover with good sealing performance according to claim 5, characterized in that, The interior of the thermal expansion sealing gasket (4) is filled with several thermal expansion particles, which are graphite powder particles.